U.S. stock futures are down on Wednesday morning, with the Dow Jones Industrial Average futures falling more than 500 points, and S&P 500 and Nasdaq Composite futures down more than 70 points and 200 points respectively, according to FOX Business. The drop comes after Credit Suisse reported that certain material weaknesses had been detected in their internal controls over financial reporting, causing shares to drop more than 20% to a record low. Management described the controls as “not effective” for 2021 and 2022.